Table 1. Morphological traits of lp1 and wild-type ‘Yugu1’.

	Yugu1	lp1	t value	P value
Plant height (cm)	122.03±3.45	136.00±5.40	-6.54	<0.0001
Main stem diameter (mm)	5.69±0.41	6.25±0.74	-1.98	0.0652
Main stem node number	12.11±0.93	12.67±1.08	-1.22	0.2395
Peduncle length (cm)	28.80±1.37	20.35±0.65	9.62	0.0007
Leaf length (cm)	39.22±1.68	39.12±2.06	0.11	0.9116
Leaf width (cm)	2.72±0.13	2.84±0.17	-1.68	0.1114
Panicle length (cm)	19.74±0.96	24.13±1.11	-5.94	0.0010
Panicle diameter (mm)	21.22±2.61	23.12±2.12	-1.08	0.3141
Panicle weight (g)	20.97±1.34	14.71±1.67	5.89	0.00304
Bristle length (mm)	1.82±0.30	2.26±0.17	-2.70	0.0355
No. of seeds per panicle	6947.60±170.30	3982.00±309.76	4.18	0.0058
Grain weight per panicle (g)	18.95±3.92	12.48±1.57	2.67	0.0371
1000-grain weight (g)	2.72±0.20	3.33±0.14	-4.67	0.0034
No. of primary branches (PB)	153.73±7.63	137.00±2.00	3.62	0.0111
No. of secondary branches per PB	10.67±1.37	8.43±0.55	3.46	0.0072
PB length (mm)	9.51±0.90	11.72±1.14	-3.08	0.0218
PB diameter (mm)	8.09±0.47	8.95±0.60	-2.28	0.0629
No. of fertile seeds per PB	52.87±6.98	37.56±4.30	3.37	0.0150
No. of seeds per PB	54.93±7.73	39.67±3.46	3.16	0.0196
Seeds setting rate	97.00±2.12	95.95±2.76	0.61	0.5653
Grain length(mm)	1.76±0.10	1.94±0.11	4.94	<0.0001
Grain diameter(mm)	1.63±0.05	1.72±0.03	6.10	<0.0001
Hulled grain length(mm)	1.40±0.08	1.45±0.09	1.77	0.0870
Hulled grain diameter(mm)	1.55±0.04	1.62±0.05	-4.37	0.0002